Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://pistant.ru/uplcv?utm_term=viper4android+android+11 PDF link annotation

  • http://annamsaigonlaw.com/upload/files/80700826898.pdfIn PDF document text
  • https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/96646739972.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e9115a8e97---38770416222.pdfIn PDF document text
  • http://mrs-edu.com/sribati/editor/uploadfiles/4707465814.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/74979721422.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e3d179ff9---melire.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad0b49eb1c---72997805554.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/wojalakakadufe.pdfIn PDF document text
  • http://almawred-sy.com/files/adminfiles/files/beweba.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/18242746273.pdfIn PDF document text
  • https://angelsforwarriors.org/userfiles/files/59594346297.pdfIn PDF document text
  • http://orosweb.hu/ckfinder/userfiles/files/28908069436.pdfIn PDF document text
  • https://dadesigning.com/daduserfiles/files/58449617572.pdfIn PDF document text
  • http://kxqcgs.net/filespath/files/20210920121520.pdfIn PDF document text
  • https://wcfkenzi.com/ckfinder/userfiles/files/60914011005.pdfIn PDF document text
  • http://roycraft.ca/userfiles/file/1595186499.pdfIn PDF document text
  • https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/difereberamabadu.pdfIn PDF document text
  • http://muabannhagiare.net/images/uploads/files/wojereduzigusuvajovigeji.pdfIn PDF document text
  • https://konteshamamotu.com/userfiles/file/sejunadijale.pdfIn PDF document text
  • http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/sititevan.pdfIn PDF document text
  • http://xn--b1adrijbbb.xn--p1ai/upload_picture/nubuxepelozivexokises.pdfIn PDF document text
  • https://pastijptoto.com/contents/files/fusitanuvilegekapaleterep.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/aa0e2d64ae4464a4132fdc7d6e03f652/58148938999.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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